GENERAL KNOWLEDGE

Detailed explanation-1: -Historians use timelines to put the events into the chronological order. Chronology is important because the exact order in which the events occur help us to understand the cause and effect of those events. Timelines explain the full picture of particular era from beginning to end.

Detailed explanation-2: -Historians are sometimes interested in comparing two cases or events in order to discover something of historical importance–common causal mechanisms, important institutional differences between the cases, or ways in which the cases illustrate some larger historical pattern.

Detailed explanation-3: -History is the study of change over time, and it covers all aspects of human society. Political, social, economic, scientific, technological, medical, cultural, intellectual, religious and military developments are all part of history.